/* SPDX-License-Identifier: GPL-2.0 */#include <signal.h>#include <stdlib.h>#include <linux/compiler.h>#include <unistd.h>#include "../tests.h" /* We want to check these symbols in perf script */noinline void leaf(volatile int b);noinline void parent(volatile int b); static volatile int a;static volatile sig_atomic_t done; static void sighandler(int sig __maybe_unused){	done = 1;} noinline void leaf(volatile int b){	while (!done)		a += b;} noinline void parent(volatile int b){	leaf(b);} static int leafloop(int argc, const char **argv){	int sec = 1; 	if (argc > 0)		sec = atoi(argv[0]); 	signal(SIGINT, sighandler);	signal(SIGALRM, sighandler);	alarm(sec); 	parent(sec);	return 0;} DEFINE_WORKLOAD(leafloop);